Green
Tangerine peel is the dried pericarp of the young or immature
fruits of Citrusreticulata Blanco and its cultivars
(Fam. Rutaceae). The fallen young fruit is collected in May
and June, dried in the sun and this drug is known commonly
as "Geqingpi", the immature fruit is collected in
July and August, cut longitudinally into four-valved but connected
at the base, removed from the emergence completely and dried
in the sun ,this drug is known commonly as "Sihuaqingpi".